Home / 8,020.39-11,067.91-4,435.61

Finding the Fourth Proportional to 8,020.39, 11,067.91 and 4,435.61

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Solution

The fourth proportional to 8,020.39, 11,067.91 and 4,435.61 is: 6,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.39 : 11,067.91 = 4,435.61 : x
  2. Step 2: Convert to fraction form
    8,020.39/11,067.91 = 4,435.61/x
  3. Step 3: Cross multiply
    8,020.39x = 11,067.91 × 4,435.61
  4. Step 4: Simplify right side
    8,020.39x = 49,092,932.28
  5. Step 5: Solve for x
    x = 49,092,932.28/8,020.39
  6. Step 6: Final answer
    x = 6,121.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.